VulnerabilityModified

CVE-2021-29653

HashiCorp Vault and Vault Enterprise 1.5.1 and newer, under certain circumstances, may exclude revoked but unexpired certificates from the CRL.

HIGH 7.5EPSS 0.55%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.55%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

HashiCorp Vault and Vault Enterprise 1.5.1 and newer, under certain circumstances, may exclude revoked but unexpired certificates from the CRL. Fixed in 1.5.8, 1.6.4, and 1.7.1.

CVSS 3.1: 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS: 0.55% probability · 44th percentile
CISA KEV: Not listed
Weakness: CWE-295
Affected: hashicorp/vault
Source: cve@mitre.org

References

https://discuss.hashicorp.com/t/hcsec-2021-09-vault-s-pki-engine-crl-may-exclude-revoked-but-unexpired-certificates-after-tidy/23461/2Vendor Advisory
https://discuss.hashicorp.com/t/hcsec-2021-09-vault-s-pki-engine-crl-may-exclude-revoked-but-unexpired-certificates-after-tidy/23461/2Vendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.